Meeting of the Prussian State Council in the Berlin Herrenhaus. It was attended, among others, by (from left in front): Paul Langemak and Wilhelm Freiherr von Gayl. Between the two in the second row: Robert Count von Keyserlingk-Cammerau. In the third row: Johannes Caspari (2nd from left), the MP Haas (3rd from the left, looking at the camera) and Hans Arno Charbonnier (standing) (undated).